Recent CBSA D-memorandum revisions and customs notices do not create one uniform compliance task. Some change the data needed on a Commercial Accounting Declaration (CAD); some update classification guidance; others clarify carrier reporting or replace terminology used in verification procedures. For importers, the useful question is not simply whether a notice was issued. It is which record, system, supplier instruction or broker workflow needs to change.
Start with the affected control, not the publication title
An importer reviewing the recent updates can sort them into five practical control areas:
- Accounting data: information transmitted on the CAD, including tariff treatment, surtax and permit fields.
- Supplier evidence: origin, smelt, cast, classification and other information that may need to be obtained before release or verification.
- Classification and eligibility files: tariff-item analyses, advance rulings and duty-treatment decisions.
- Government-agency workflows: procedures involving the Customs Single Window and the Integrated Import Declaration.
- Carrier and freight-forwarder data: advance cargo and container reporting, including consolidated and empty containers.
This classification matters because a broker cannot correct missing upstream information merely by changing a field in the customs system. Conversely, a terminology revision may require record and procedure updates without changing the underlying commercial transaction.
Changes that can require new transaction data
Aluminum imported under General Import Permit 83
Memorandum D19-10-2 was updated effective October 1, 2026, for covered aluminum products imported under General Import Permit No. 83. The required information includes the country of largest smelt, the country of second-largest smelt where applicable, and the country of most recent cast. The memorandum also added CSW/IID component codes and requires the special-authority-permit field on the CAD to cite GIP83-OIC19-1224. The official memorandum describes exemptions affecting some CSA importers and low-value shipments, so the importer and broker should confirm whether a particular transaction falls within an exemption before omitting the data. CBSA D19-10-2
For a manufacturer or distributor operating in Mississauga, Brampton or elsewhere in the GTA, the immediate control is usually supplier data rather than tariff classification. Importers should consider asking suppliers for a repeatable product-level record identifying the applicable smelt and cast information, rather than requesting the details only when a shipment is already at the border. Broker instructions should identify which products are covered, where the data is stored and what happens when the supplier response is incomplete.
Specified U.S.-origin goods subject to surtax
Specified U.S.-origin goods became subject to surtaxes of 15%, 25% or 50% effective September 8, 2026. The applicable CBSA notice identifies the reporting codes as 26186A, 26186B and 26186C. The measures can affect commercial and casual imports, including certain goods entering through a third country and shipments below ordinary de minimis thresholds. The importer generally needs to establish origin, confirm the tariff item, calculate the surtax on value for duty and report the applicable treatment through the CAD, EDI or API. Customs Notice 26-23
This is a file-control issue as much as a classification issue. Importers should distinguish the country of shipment from origin, retain the origin evidence used for the decision and ensure that the broker receives the product and transaction information needed to apply the correct code. A Toronto distributor sourcing from several U.S. facilities may need SKU-level controls rather than a single country setting for an entire vendor account.
Changes that primarily affect records and classification files
CAD terminology in verification procedures
D11-6-8 was revised on September 9, 2026, to reflect CARM Release 3. The memorandum replaces references to Form B3-3 and Form B2 with the Commercial Accounting Declaration framework. It concerns CBSA verification of origin, tariff classification and value for duty. CBSA D11-6-8
The practical response is to update document-retention indexes, verification-response templates, internal training material and references in broker or importer procedures. The revision does not, on the information available in the memorandum, state a separate substantive effective date. Importers should therefore avoid treating every terminology replacement as a new duty or permit requirement, while still ensuring that their records use the current accounting-document terminology.
Automotive parts and materials
D10-15-15 was revised on August 14, 2026, consolidating previous guidance in D10-15-15 and D10-15-21 concerning tariff items 9958.00.00 and 9959.00.00. The revised memorandum addresses parts, accessories and materials used in manufacturing specified automobiles, trucks, buses, ambulances and similar vehicles. No separate substantive effective date was stated. CBSA D10-15-15
Automotive importers and suppliers should compare current duty-free eligibility files with the consolidated guidance. The review should identify which part numbers rely on the affected tariff items, what manufacturing-use evidence supports the treatment and whether any internal work instruction still cites the superseded memorandum. This is especially relevant to Ontario automotive supply chains, but the revision itself does not establish a new general duty rate.
Energy-using products and Customs Single Window terminology
D19-6-3 was revised on October 15, 2026. It reflects the transfer of responsibility for the Energy Efficiency Regulations from Natural Resources Canada to Environment and Climate Change Canada, a responsibility change identified as occurring on July 30, 2026, and replaces “Single Window Initiative” terminology with “Customs Single Window.” The memorandum applies to commercial importers of regulated energy-using products and brokers using the Integrated Import Declaration. CBSA D19-6-3
Importers of appliances, equipment and other regulated products should route this update to the regulatory-affairs or product-compliance owner as well as the customs team. The useful system change may be an agency reference, CSW workflow or internal escalation path—not necessarily a new product classification.
Changes that belong with logistics and carrier teams
Container reporting under ACI/eManifest
Customs Notice 26-25, issued and modified on October 30, 2026, provides current instructions for reporting full containers, empty containers, containers in consolidated shipments and containers imported for sale. The notice identifies different service options by mode: marine cargo containers use Service Option 83, marine empty containers use Service Option 695, and highway and rail cargo containers use Service Option 984. Containers imported for sale are to be reported as individual shipments and accounted for with duties and taxes; improper reporting may result in AMPS penalties. Customs Notice 26-25
Importers using freight forwarders or carriers into GTA distribution facilities should confirm who owns each data element. The review should cover ACI mappings, empty-container procedures, consolidated-shipment logic and Cargo Control Document practices. A Mississauga warehouse receiving freight through multiple modes may need separate procedures for marine, rail and highway movements rather than one generic container instruction.
Other operational updates
Eligible goods from the United Kingdom, Channel Islands and Isle of Man became eligible for Comprehensive and Progressive United Kingdom Tariff treatment effective September 1, 2026, using tariff-treatment Code 35. Customs Tariff version T2026-2 reflected the entries and was available in all formats on September 16, 2026. Importers should review origin qualification and tariff-treatment claims for qualifying goods. Customs Notice 26-22
For electric-mobility products, the description under tariff item 8507.60.20 changed effective August 6, 2026, from “electrically-powered motorcycles” to “motorcycles or cycles with an electric motor.” Importers relying on an advance ruling or established classification file should review whether the changed description affects the product analysis. Customs Notice 26-21
What to send to the broker for a useful review
Rather than forwarding a collection of notices without context, an importer can provide a short change-control package:
- A list of affected SKUs, tariff items, suppliers and modes of transport.
- The origin, smelt-and-cast, permit and classification records currently held.
- Any existing advance rulings, duty-treatment decisions or broker standing instructions.
- The proposed owner for each missing data element and the date the control is expected to be operational.
- Examples of shipments that may be affected, including consolidated, empty-container, courier or third-country movements where relevant.
Importers should ask their broker to identify whether the proposed change affects the CAD, supporting evidence, classification analysis, CSW/IID transmission or ACI/eManifest reporting. That distinction produces a more reliable implementation plan than treating every D-memorandum revision as a new border obligation.
Questions to discuss with a customs broker
- Which products require supplier-level aluminum smelt and cast information, and what evidence should be retained?
- For U.S.-origin goods, does the origin analysis support the applicable surtax treatment and reporting code?
- Do current automotive, electric-mobility or U.K.-origin classification files rely on guidance that has been revised?
- Which party owns container reporting for full, empty, consolidated and container-for-sale movements?
- Which internal templates and records should use CAD and Customs Single Window terminology?